Planetary reduction gear



FIG. 1 is a perspective view of a planetary reduction gear, showing mynew design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a top plan view thereof.

The broken lines in the drawings depict unclaimed environmental subjectmatter.

We claim, the ornamental design for a planetary reduction gear, as shownand described.